Respuesta :

ibnuamam104

[tex](n + 8) + (n - 12)[/tex]

Expanding the terms,

[tex]n + 8 + n - 12[/tex]

Grouping like terms,

[tex]n + n - 12 + 8[/tex]

Evaluating the terms,

[tex]2n - 4[/tex]

birungjoel

Answer:

(n + 8) + ( n - 12)

Combine like terms

n + n + 8 - 12

2n - 4

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